The point at which a child becomes an adolescent is defined by the onset of puberty or by the beginning of the teenage stage. Adolescence is also viewed as ending with the teenage stage. However, in some individuals (particularly females), puberty begins in the preadolescence years.
Population of Grundy County. Last official estimated population of Grundy County was 50,098 (year 2014)[1]. This was 0.016% of total US population and 0.4% of total Illinois state population. Area of Grundy County is 430.4 miÂ² (=1114.9 kmÂ²), in this year population density was 116.39 p/miÂ². If population growth rate would be same as in period 2010-2014 (+0.02%/yr), Grundy County population in 2017 would be 50,124 .
Welcome to our website! If you have feedback, questions or concerns, please click the Suggestions link to the left. About Groton. Groton, founded in 1655, has a population of 10,873 (2012 Town Census) and is located in the Nashoba Valley area in northwestern Middlesex County. The town is governed by Town Meeting. With an area of 32.54 square miles, Groton is the largest town in Middlesex County. There are 106 miles of plowed or maintained roads within the town. Town Hall is 320 feet above sea level and the highest elevation is at Chestnut Hills at 516 feet above sea level.